JP2013192827A5 - - Google Patents

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Publication number
JP2013192827A5
JP2013192827A5 JP2012064692A JP2012064692A JP2013192827A5 JP 2013192827 A5 JP2013192827 A5 JP 2013192827A5 JP 2012064692 A JP2012064692 A JP 2012064692A JP 2012064692 A JP2012064692 A JP 2012064692A JP 2013192827 A5 JP2013192827 A5 JP 2013192827A5
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JP
Japan
Prior art keywords
ray
reconstruction function
predetermined range
variation
representative value
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JP2012064692A
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English (en)
Japanese (ja)
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JP6139821B2 (ja
JP2013192827A (ja
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Priority to JP2012064692A priority Critical patent/JP6139821B2/ja
Priority claimed from JP2012064692A external-priority patent/JP6139821B2/ja
Priority to US13/845,951 priority patent/US9226715B2/en
Priority to CN201310091266.7A priority patent/CN103315758B/zh
Publication of JP2013192827A publication Critical patent/JP2013192827A/ja
Publication of JP2013192827A5 publication Critical patent/JP2013192827A5/ja
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Publication of JP6139821B2 publication Critical patent/JP6139821B2/ja
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JP2012064692A 2012-03-22 2012-03-22 Ｘ線ｃｔ装置 Active JP6139821B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012064692A JP6139821B2 (ja) 2012-03-22 2012-03-22 Ｘ線ｃｔ装置
US13/845,951 US9226715B2 (en) 2012-03-22 2013-03-18 X-ray CT apparatus
CN201310091266.7A CN103315758B (zh) 2012-03-22 2013-03-21 X射线ct装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012064692A JP6139821B2 (ja) 2012-03-22 2012-03-22 Ｘ線ｃｔ装置

Publications (3)

Publication Number Publication Date
JP2013192827A JP2013192827A (ja) 2013-09-30
JP2013192827A5 true JP2013192827A5 (enExample) 2015-05-07
JP6139821B2 JP6139821B2 (ja) 2017-05-31

Family

ID=49185012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012064692A Active JP6139821B2 (ja) 2012-03-22 2012-03-22 Ｘ線ｃｔ装置

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US (1) US9226715B2 (enExample)
JP (1) JP6139821B2 (enExample)
CN (1) CN103315758B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9974495B2 (en) * 2014-01-20 2018-05-22 Hitachi, Ltd. X-ray CT apparatus, image processing device, and image reconstruction method
JP2017051395A (ja) * 2015-09-09 2017-03-16 富士フイルム株式会社 放射線画像処理装置、方法およびプログラム
JP6814008B2 (ja) * 2016-09-29 2021-01-13 ゼネラル・エレクトリック・カンパニイ 放射線断層撮影装置及びその制御プログラム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215189A (ja) 1995-02-10 1996-08-27 Toshiba Medical Eng Co Ltd Ｘ線ｃｔ装置及びその画像再構成法
JP4408976B2 (ja) 1998-12-16 2010-02-03 株式会社東芝 Ｘ線ｃｔ装置
US6493416B1 (en) * 2001-11-21 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus for noise reduction in computed tomographic systems
JP4439202B2 (ja) * 2003-05-09 2010-03-24 株式会社東芝 Ｘ線コンピュータ断層撮影装置及び画像ノイズシミュレーション装置
US7376255B2 (en) * 2004-06-23 2008-05-20 General Electric Company System and method for image reconstruction
JP4549783B2 (ja) * 2004-09-01 2010-09-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理装置及びプログラム並びにｘ線ｃｔ装置
JP4865291B2 (ja) * 2005-10-11 2012-02-01 株式会社日立メディコ Ｘ線撮像装置
JP5199541B2 (ja) * 2006-01-31 2013-05-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線断層撮影装置
US7542541B2 (en) * 2006-10-20 2009-06-02 General Electric Company View weighting methods and apparatus
JP5416912B2 (ja) * 2007-06-07 2014-02-12 株式会社東芝 データ処理装置および医用診断装置
JP2009125250A (ja) * 2007-11-22 2009-06-11 Hitachi Medical Corp Ｘ線ｃｔ装置
US8135186B2 (en) * 2008-01-25 2012-03-13 Purdue Research Foundation Method and system for image reconstruction
DE102008053110A1 (de) * 2008-06-27 2009-12-31 Siemens Aktiengesellschaft Verfahren zur Rekonstruktion von CT-Bilddaten
US7885371B2 (en) * 2008-08-28 2011-02-08 General Electric Company Method and system for image reconstruction
US8837666B2 (en) * 2008-09-30 2014-09-16 Hitachi Medical Corporation X-ray CT apparatus
US9025848B2 (en) * 2010-06-17 2015-05-05 Hitachi Medical Corporation X-ray CT apparatus and control method for reconstructing X-ray CT images from filtered projection data
WO2011161557A1 (en) * 2010-06-21 2011-12-29 Koninklijke Philips Electronics N.V. Method and system for noise reduction in low dose computed tomography
US8712134B2 (en) * 2011-10-18 2014-04-29 Kabushiki Kaisha Toshiba Method and system for expanding axial coverage in iterative reconstruction in computer tomography (CT)

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